Solar flares — Dec 20, 2021
The strongest solar flare in the day
Flare of M1.8 level (strong) — in 11:36
Solar activity index
Value for Dec 20, 2021 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Dec 19, 2021 to Dec 20, 2021
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Dec 20, 2021
Total number of flares of class C and higher — 16 flares
C type — 15 | M type — 1 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.1
|
22:47 | 22:54 | 23:04 | — |
|
C1.6
|
20:45 | 20:49 | 20:55 | — |
|
C1.4
|
20:23 | 20:32 | 20:41 | — |
|
C1.5
|
17:32 | 17:35 | 17:39 | — |
|
C1.4
|
17:15 | 17:28 | 17:32 | — |
|
C1.0
|
16:34 | 16:42 | 17:02 | 2907 |
|
C1.4
|
15:57 | 16:02 | 16:06 | 2907 |
|
C1.4
|
13:48 | 13:54 | 13:59 | 2907 |
|
M1.8
|
11:12 | 11:36 | 11:55 | 2908 |
|
C2.9
|
10:37 | 10:46 | 10:50 | 2907 |
|
C1.1
|
09:19 | 09:21 | 09:25 | 2907 |
|
C1.2
|
08:43 | 08:51 | 08:57 | 2907 |
|
C1.3
|
06:33 | 06:40 | 06:44 | 2907 |
|
C1.5
|
04:29 | 04:37 | 04:44 | 2908 |
|
C4.4
|
03:08 | 03:21 | 03:27 | 2909 |
|
C1.6
|
00:17 | 00:34 | 00:53 | 2908 |